Abstract
This article examines Ochoa and Olivarez's (1995) replication study of Swanson and Malone's (1992) meta-analysis of sociometric research for children with learning disabilities. The two research syntheses agree in direction and outcomes, but vary substantially in identifying the moderator variables that underlie effect sizes. Some of the differences between the two syntheses were related to the effects of gender, ethnicity, and type of measurement on effect size. Differences between the two syntheses were attributed to (a) inadequate reporting of coding reliability, (b) failure to include similar articles for analysis, and (c) poor operationalization of the term learning disabilities as the basis for article selection. Because differences existed in coding schemes and effect sizes between the two syntheses, guidelines for enhancing replication for future syntheses are suggested. These guidelines reflect several criteria on which to judge a meta-analysis of the literature.
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